MISSION BROOK SD
Illinois — Community Water System — PWSID: IL0315920
System Information
| PWSID | IL0315920 |
| System Name | MISSION BROOK SD |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | NORTHBROOK |
| ZIP Code | 60065 |
| Address | 3505 Cornflower Trail |
| Organization | GARDNER, KENNETH |
| Phone | 847-509-5335 |
Population & Service
| Population Served | 2,852 |
| Service Connections | 525 |
Drinking Water Violations (52)
This water system has 52 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Dec 18, 2025 | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Dec 18, 2025 | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Resolved | Dec 18, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1996 | — | |
| Dec 1, 1994 | Jan 1, 1996 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Jan 1, 1996 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Dec 21, 1990 | Dec 20, 1994 | MCL | Yes | No | 10.9 | 5 pCi/L | — | Resolved | Dec 20, 1994 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Sep 1, 1988 | Aug 31, 1992 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Feb 3, 1989 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Feb 1, 1985 | Jan 31, 1989 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Resolved | Jan 29, 1987 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Sep 14, 1984 | Sep 13, 1988 | MCL | Yes | No | 10.8 | 5 pCi/L | — | Resolved | Sep 13, 1988 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Feb 2, 1981 | Feb 1, 1985 | MCL | Yes | No | 21.199 | 15 pCi/L | — | Archived | Feb 1, 1985 | — | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.